/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

import DTO.UserList;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Tu Nguyen
 */
@WebServlet(urlPatterns = {"/CLogin"})
public class CLogin extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        HttpSession ss = request.getSession();
       
         try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
               if(request.getParameter("txtUser")!= null && request.getParameter("txtPass") != null && request.getParameter("txtPass") != "")
           {
               String user = request.getParameter("txtUser");
               String pass= request.getParameter("txtPass");
               UserList u = BUS.UserListBUS.KTDangNhap(user);
                 if(u.Pass.equals(pass))
                 {
                    ss.setAttribute("SSUser",u);
                    response.sendRedirect("temp.jsp");
                 }
                    else
                     response.sendRedirect("Login.jsp");
           }
               else{
                    response.sendRedirect("Login.jsp");
               }
          
        }
        
       try{
           if(request.getParameter("p")!= null){
               ss.invalidate();
           response.sendRedirect("Login.jsp");
           }
       }
       catch(Exception ex)
       {}
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
        
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
